/*
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package flex.tools.debugger.cli;
import java.util.ArrayList;
import java.util.Iterator;
import flash.tools.debugger.Location;
/**
* This object is a container for source locations
* that represent the same underlying file and line
* number.
*
* The reason we need this is because multiple
* swfs each contain their own unique version of
* a source file and we'd like to be able to
* refer to any one location freely
*
* It is modelled after the Collection interface
*/
public class LocationCollection
{
private ArrayList<Location> m_locations = new ArrayList<Location>();
public boolean add(Location l) { return m_locations.add(l); }
public boolean contains(Location l) { return m_locations.contains(l); }
public boolean remove(Location l) { return m_locations.remove(l); }
public boolean isEmpty() { return m_locations.isEmpty(); }
public Iterator<Location> iterator() { return m_locations.iterator(); }
// Return the first Location object or null
public Location first() { return ( (m_locations.size() > 0) ? m_locations.get(0) : null ); }
/**
* Removes Locations from the Collection which contain
* SourceFiles with Ids in the range [startingId, endingId].
*/
public void removeFileIdRange(int startingId, int endingId)
{
Iterator<Location> i = iterator();
while(i.hasNext())
{
Location l = i.next();
int id = (l.getFile() == null) ? -1 : l.getFile().getId();
if (id >= startingId && id <= endingId)
i.remove();
}
}
/**
* See if the collection contains a Location
* which is identical to the given file id and
* line number
*/
public boolean contains(int fileId, int line)
{
boolean found = false;
Iterator<Location> i = iterator();
while(i.hasNext() && !found)
{
Location l = i.next();
int id = (l.getFile() == null) ? -1 : l.getFile().getId();
if (id == fileId && l.getLine() == line)
found = true;
}
return found;
}
/** for debugging */
public String toString()
{
return m_locations.toString();
}
}